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Calcium in PDB 3old: Crystal Structure of Alpha-Amylase in Complex with Acarviostatin I03

Enzymatic activity of Crystal Structure of Alpha-Amylase in Complex with Acarviostatin I03

All present enzymatic activity of Crystal Structure of Alpha-Amylase in Complex with Acarviostatin I03:
3.2.1.1;

Protein crystallography data

The structure of Crystal Structure of Alpha-Amylase in Complex with Acarviostatin I03, PDB code: 3old was solved by X.Qin, L.Ren, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 41.25 / 2.00
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 51.986, 67.760, 130.469, 90.00, 90.00, 90.00
R / Rfree (%) 17.3 / 19.4

Other elements in 3old:

The structure of Crystal Structure of Alpha-Amylase in Complex with Acarviostatin I03 also contains other interesting chemical elements:

Chlorine (Cl) 1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Alpha-Amylase in Complex with Acarviostatin I03 (pdb code 3old). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of Alpha-Amylase in Complex with Acarviostatin I03, PDB code: 3old:

Calcium binding site 1 out of 1 in 3old

Go back to Calcium Binding Sites List in 3old
Calcium binding site 1 out of 1 in the Crystal Structure of Alpha-Amylase in Complex with Acarviostatin I03


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Alpha-Amylase in Complex with Acarviostatin I03 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca497

b:15.9
occ:1.00
 O A:ARG158 2.5 17.7 1.0
OD1 A:ASN100 2.5 16.8 1.0
O A:HIS201 2.5 17.9 1.0
OD2 A:ASP167 2.6 20.2 1.0
OD1 A:ASP167 2.7 18.2 1.0
O A:HOH531 2.7 18.9 1.0
O A:HOH518 2.7 17.5 1.0
O A:HOH815 2.7 22.4 1.0
CG A:ASP167 3.0 19.2 1.0
C A:ARG158 3.6 18.2 1.0
CG A:ASN100 3.6 18.6 1.0
C A:HIS201 3.7 17.8 1.0
ND2 A:ASN100 4.0 16.8 1.0
CA A:ARG158 4.2 17.9 1.0
CB A:HIS201 4.2 17.9 1.0
O A:ASN100 4.3 18.8 1.0
O A:HOH562 4.5 20.0 1.0
CB A:ASP167 4.5 17.6 1.0
CA A:HIS201 4.5 17.0 1.0
ND2 A:ASN137 4.5 17.8 1.0
O A:CYS160 4.6 19.6 1.0
N A:ASP159 4.6 18.4 1.0
N A:MET202 4.6 16.8 1.0
CA A:MET202 4.7 16.3 1.0
O A:VAL157 4.7 19.1 1.0
O A:LEU168 4.8 18.4 1.0
CG A:MET202 4.8 16.4 1.0
CA A:ASP159 4.9 19.1 1.0
CB A:ASN100 4.9 18.1 1.0
O A:HOH558 4.9 15.3 1.0

Reference:

X.Qin, L.Ren, X.Yang, F.Bai, L.Wang, P.Geng, G.Bai, Y.Shen. Structures of Human Pancreatic Alpha-Amylase in Complex with Acarviostatins: Implications For Drug Design Against Type II Diabetes J.Struct.Biol. V. 174 196 2011.
ISSN: ISSN 1047-8477
PubMed: 21111049
DOI: 10.1016/J.JSB.2010.11.020
Page generated: Tue Jul 8 15:06:56 2025

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